[ { "paramName":"is", "paramLongName":"isLookUpUrl", "paramDescription": "URL of the isLookUp Service", "paramRequired": false }, { "paramName": "hdfs", "paramLongName": "hdfsPath", "paramDescription": "the path used to store temporary output files", "paramRequired": true }, { "paramName": "nn", "paramLongName": "nameNode", "paramDescription": "the name node", "paramRequired": true } ]